King of Prussia, PA Travel Clinic Passport Health King of Prussia is near the new casino. Please note that as of February 1st we have moved to the address below: Passport Health King of Prussia 1013 W 9th Ave Suite E King of Prussia PA 19406 Directions to Passport Health King of Prussia From Moore Road: ENTER the King of Prussia Office Park from West 9th Avenue. Turn LEFT at the King of Prussia Office Park entrance. NOTE: Each red brick building in the King of Prussia Office Park has large white-colored numbers on them. Our office is located in BUILDING 1013, which is the first building on the RIGHT once you are inside the office park driveway from WEST 9th AVENUE. Getting to our Suite: There are front entrances that face the parking lot on West 9th Avenue. ENTER the door on the LEFT SIDE of the building and go up the steps. Our office, Suite – E, is located on the LEFT side before entering the hallway.